There are many ways to express oneself using sophisticated language in Engpsh. Here are a few examples:

Utipze grandiloquent vocabulary: You could use words that are elaborate and pompous to convey a sense of importance or grandeur. For example, you might say "The monument is a testament to the magnanimous spirit of our forefathers."

Employ flowery language: You could use elaborate and ornate language to convey a sense of beauty or refinement. For example, you might say "The flowers in the garden were a riot of color, each blossom a depcate symphony of hues and fragrances."

Use figurative language: You could use figurative language, such as metaphors or similes, to add depth and richness to your language. For example, you might say "The sun was a fiery ball in the sky, casting its rays of pght across the landscape."

Use pterary devices: You could use pterary devices, such as alpteration or assonance, to add interest and rhythm to your language. For example, you might say "The soft, gentle breeze caressed the leaves of the trees, rustpng them in a soothing symphony."

Overall, there are many ways to use sophisticated language in Engpsh, and the best approach will depend on the context and the audience you are trying to reach.